#3786B6#3786B6

#3786B6 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.3% C 0.106 H 239.0°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#3786B6
RGBrgb(55, 134, 182)
HSLhsl(203, 54%, 46%)
HSVhsv(203, 70%, 71%)
CMYKcmyk(69.8%, 26.4%, 0%, 28.6%)
CIE-LABlab(53.21, -8.33, -32.22)
CIE-LCHlch(53.21, 33.28, 255.50°)
OKLaboklab(59.27% -0.0546 -0.0908)
OKLCHoklch(59.27% 0.106 239)
XYZxyz(18.5409, 21.2378, 47.3691)
Luminance0.2124 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3786B6 #B66737
analogous
#37B6A7 #3786B6 #3747B6
triadic
#3786B6 #B63786 #86B637
tetradic
#3786B6 #A737B6 #B66737 #47B637
square
#3786B6 #A737B6 #B66737 #47B637
split-complementary
#3786B6 #B63747 #B6A737
monochromatic
#1B4158 #296387 #3786B6 #5CA3CE #8BBEDC

Accessibility & contrast

On white

4.00
#3786B6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.25
#3786B6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786B6
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3786B6#FFFFFF#000000##000000
##3786B61.004.005.255.25
#FFFFFF4.001.0021.0021.00
#0000005.2521.001.001.00
##0000005.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7086B8
Deuteranopia (green-blind)
#5E7AB5
Tritanopia (blue-blind)
#009296
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3786b6;
/* rgb */ color: rgb(55, 134, 182);
/* oklch */ color: oklch(59.3% 0.106 239.0);
Tailwind
colors: {
  custom: {
    50: '#7da9cc',
    500: '#3786b6',
    950: '#000000',
  },
}
SCSS
$custom: #3786b6;
$custom-light: #7da9cc;
$custom-dark: #000000;
JSON
{
  "hex": "#3786b6",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 182
  },
  "hsl": {
    "h": 202.677,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.59268,
    "c": 0.10596,
    "h": 239
  },
  "luminance": 0.2124
}

Semantic roles & 50–950 ramp

primary
#3786B6
secondary
#C69C82
accent
#824BDD
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3786B6

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#3786B6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva